libc

commit 422fc9d3e9ffc3dacb72e8074c5c2b0cf3b2fb2a
parent 2d5ee6f51710e487453984a19c8f1c62e098ef1a
Author: evenfri <evenfri256@gmail.com>
Date:   Tue, 11 Aug 2026 02:19:45 +0800

add rmdir

Diffstat:
M
libc.h
 | 
2
++
M
mkfile
 | 
1
+
A
rmdir.c
 | 
17
+++++++++++++++++

3 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/libc.h b/libc.h
@@ -51,6 +51,7 @@ struct linux_dirent64 {
 #define sys_getcwd 79
 #define sys_chdir 80
 #define sys_mkdir 83
+#define sys_rmdir 84
 #define sys_unlink 87
 #define sys_mount 165
 #define sys_getdents64 217
@@ -90,6 +91,7 @@ int mount(const char *source,
     const void *data);
 int chdir(const char *path);
 int mkdir(const char *path, unsigned int mode);
+int rmdir(const char *path);
 int unlink(const char *path);
 char *getcwd(char *buf, size_t size);
 int getdents64(int fd, struct linux_dirent64 *dirp, unsigned int count);
diff --git a/mkfile b/mkfile
@@ -28,6 +28,7 @@ ofiles =  start.$o \
           getcwd.$o \
           chdir.$o \
           mkdir.$o \
+          rmdir.$o \
           unlink.$o \
           getdents.$o \
           utime.$o \
diff --git a/rmdir.c b/rmdir.c
@@ -0,0 +1,17 @@
+/*
+ * rmdir.c - rmdir system call
+ * Copyright (C) 2026. All rights reserved.
+ */
+
+#include "libc.h"
+
+int rmdir(const char *path) {
+  int ret = syscall(sys_rmdir, path);
+  
+  if (ret < 0) {
+    errno = -ret;
+    return -1;
+  }
+
+  return ret;
+}